On Fri, Sep 14, 2018 at 04:44:15PM +0100, Robin Murphy wrote: > On 14/09/18 11:08, Christoph Hellwig wrote: >> Aby chance to get a review for this? > > So without this, the select does nothing, > CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL is never defined, and BMIPS gets the > static inline stub and never flushes the RAC when it should? Exactly!